[INFO] cloning repository https://github.com/krdln/mlpretty
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krdln/mlpretty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrdln%2Fmlpretty", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrdln%2Fmlpretty'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5ffaa71d276d2fa9ab0de98b4715277b8a87e6a
[INFO] testing krdln/mlpretty against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrdln%2Fmlpretty" "/workspace/builds/worker-116/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-116/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/krdln/mlpretty on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/krdln/mlpretty
[INFO] finished tweaking git repo https://github.com/krdln/mlpretty
[INFO] tweaked toml for git repo https://github.com/krdln/mlpretty written to /workspace/builds/worker-116/source/Cargo.toml
[INFO] crate git repo https://github.com/krdln/mlpretty already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3106a8fbfd51585de8c9557e780516dcacdd1a87c47616dca08822a76626d118
[INFO] running `Command { std: "docker" "start" "-a" "3106a8fbfd51585de8c9557e780516dcacdd1a87c47616dca08822a76626d118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3106a8fbfd51585de8c9557e780516dcacdd1a87c47616dca08822a76626d118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3106a8fbfd51585de8c9557e780516dcacdd1a87c47616dca08822a76626d118", kill_on_drop: false }`
[INFO] [stdout] 3106a8fbfd51585de8c9557e780516dcacdd1a87c47616dca08822a76626d118
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 190a1105fa9fbe18bc85c354b497f33495bfbdad7fc7e4486a797cc02bcf0a18
[INFO] running `Command { std: "docker" "start" "-a" "190a1105fa9fbe18bc85c354b497f33495bfbdad7fc7e4486a797cc02bcf0a18", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling libc v0.2.11
[INFO] [stderr]    Compiling winapi v0.2.6
[INFO] [stderr]    Compiling regex-syntax v0.3.1
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling colored v1.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling aho-corasick v0.5.2
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.5
[INFO] [stderr]    Compiling regex v0.1.69
[INFO] [stderr]    Compiling mlpretty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:79:23
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn do_it(reader: &mut BufRead) {
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 79 - fn do_it(reader: &mut BufRead) {
[INFO] [stdout] 79 + fn do_it(reader: &mut dyn BufRead) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/charpeek.rs:59:28
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let tru_len = line.trim_right().len();
[INFO] [stdout]    |                            ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.88s
[INFO] running `Command { std: "docker" "inspect" "190a1105fa9fbe18bc85c354b497f33495bfbdad7fc7e4486a797cc02bcf0a18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "190a1105fa9fbe18bc85c354b497f33495bfbdad7fc7e4486a797cc02bcf0a18", kill_on_drop: false }`
[INFO] [stdout] 190a1105fa9fbe18bc85c354b497f33495bfbdad7fc7e4486a797cc02bcf0a18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1084770fa469b6412536bc55143658fb096b5f4aab845cbbc827324beb9e5897
[INFO] running `Command { std: "docker" "start" "-a" "1084770fa469b6412536bc55143658fb096b5f4aab845cbbc827324beb9e5897", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mlpretty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:79:23
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn do_it(reader: &mut BufRead) {
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 79 - fn do_it(reader: &mut BufRead) {
[INFO] [stdout] 79 + fn do_it(reader: &mut dyn BufRead) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/charpeek.rs:59:28
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let tru_len = line.trim_right().len();
[INFO] [stdout]    |                            ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.14s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/mlpretty-63cee86a8d4bba4b)
[INFO] running `Command { std: "docker" "inspect" "1084770fa469b6412536bc55143658fb096b5f4aab845cbbc827324beb9e5897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1084770fa469b6412536bc55143658fb096b5f4aab845cbbc827324beb9e5897", kill_on_drop: false }`
[INFO] [stdout] 1084770fa469b6412536bc55143658fb096b5f4aab845cbbc827324beb9e5897
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ccd80449a8a028319fb7fc59cad748a5773beca4e8a178ba653943be0a54c983
[INFO] running `Command { std: "docker" "start" "-a" "ccd80449a8a028319fb7fc59cad748a5773beca4e8a178ba653943be0a54c983", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:79:23
[INFO] [stderr]    |
[INFO] [stderr] 79 | fn do_it(reader: &mut BufRead) {
[INFO] [stderr]    |                       ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 79 - fn do_it(reader: &mut BufRead) {
[INFO] [stderr] 79 + fn do_it(reader: &mut dyn BufRead) {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stderr]   --> src/charpeek.rs:59:28
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let tru_len = line.trim_right().len();
[INFO] [stderr]    |                            ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mlpretty` (bin "mlpretty" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mlpretty-63cee86a8d4bba4b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ccd80449a8a028319fb7fc59cad748a5773beca4e8a178ba653943be0a54c983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccd80449a8a028319fb7fc59cad748a5773beca4e8a178ba653943be0a54c983", kill_on_drop: false }`
[INFO] [stdout] ccd80449a8a028319fb7fc59cad748a5773beca4e8a178ba653943be0a54c983